SAW Components
Bandpass Filter
Data Sheet
B597
494,75 MHz
SMD package
QCC10B
Features
q
High performance IF bandpass filter
q
Hermetically sealed SMD package
q
Constant group delay
Terminals
q
Ni, gold plated
Dimensions in mm
Pin configuration
9
10
5
4
1, 2, 3, 6, 7, 8
Input
Input - ground
Output
Output - ground
Ground
Type
B 597
Ordering code
B39501-B597-Z710
Marking and Package
according to
C61157-A7-A49
Packing
according to
F61074-V8035-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
s
– 40/+ 85
– 40/+ 85
0
10
˚C
˚C
V
dBm
2
Feb 1, 2001
SAW Components
Bandpass Filter
Data Sheet
Characteristics
Operating temperature:
Terminating source impedance:
Terminating load impedance:
B597
494,75 MHz
T
=
Z
S
=
Z
L
=
25 ˚C
50
Ω
50
Ω
min.
Center frequency
(center frequency between 3 dB points)
Insertion attenuation
at
f
C
Amplitude ripple
(p-p)
479,50 … 510,00 MHz
492,25 … 497,25 MHz
Amplitude ripple
(p-p; Sliding interval 1 MHz)
∆α
479,50 … 510,00 MHz
Pass bandwidth
α
rel
≤
1 dB
α
rel
≤
3 dB
α
rel
≤
20 dB
typ.
494,75
max.
495,75 MHz
f
C
493,75
α
C
∆α
21,1
22,1
23,1
dB
—
—
0,4
0,2
1,0
0,5
dB
dB
—
0,25
0,45 dB
B
1dB
B
3dB
B
20dB
34,0
36,3
—
34,5
36,8
42,2
—
—
42,6
MHz
MHz
MHz
Deviation from linear phase
(p-p)
∆ϕ
479,50 … 510,00 MHz
Relative attenuation
(relative to
α
C
)
α
rel
395,00 … 460,00 MHz
460,00 … 465,00 MHz
465,00 … 470,15 MHz
519,35 … 527,00 MHz
527,00 … 595,00 MHz
595,00 …1000,00 MHz
Group delay
at
f
C
Temperature coefficient of frequency
τ
C
—
1,6
3,0
˚
42,0
38,0
36,0
36,0
36,0
—
—
—
48,0
46,0
41,0
39,0
43,0
20,0
0,4
-87
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
µs
ppm/K
TC
f
3
Feb 1, 2001
SAW Components
Bandpass Filter
Data Sheet
B597
494,75 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS PD
P.O. Box 80 17 09, D-81617 München
©
EPCOS AG 2001. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
5
Feb 1, 2001